linux-kernel - Re: [PATCH v12 1/2] spi: add loongson spi bindings

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Date:   Mon, 12 Jun 2023 09:17:33 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     zhuyinbo <zhuyinbo@...ngson.cn>, Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Jianmin Lv <lvjianmin@...ngson.cn>, wanghongliang@...ngson.cn,
        Liu Peibao <liupeibao@...ngson.cn>,
        loongson-kernel@...ts.loongnix.cn
Subject: Re: [PATCH v12 1/2] spi: add loongson spi bindings

On 12/06/2023 09:13, zhuyinbo wrote:
> 
> 
> 在 2023/6/10 上午12:45, Krzysztof Kozlowski 写道:
>> On 09/06/2023 05:13, zhuyinbo wrote:
>>>
>>>
>>> 在 2023/6/8 下午9:26, Krzysztof Kozlowski 写道:
>>>> On 08/06/2023 14:10, zhuyinbo wrote:
>>>>>
>>>>>
>>>>> 在 2023/6/8 下午7:45, Krzysztof Kozlowski 写道:
>>>>>> On 08/06/2023 13:42, zhuyinbo wrote:
>>>>>>> --- a/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
>>>>>>> +++ b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
>>>>>>> @@ -16,6 +16,7 @@ properties:
>>>>>>>        compatible:
>>>>>>>          enum:
>>>>>>>            - loongson,ls2k1000-spi
>>>>>>> +      - loongson,ls2k0500-spi
>>>>>>
>>>>>> Aren't they compatible?
>>>>>>
>>>>>
>>>>>
>>>>> Are you saying that the spi driver is compatible with 2k0500 ?
>>>>
>>>> Didn't you say this through 11 previous revisions?
>>>
>>>
>>> Yes, did I understand your meaning incorrectly ?
>>
>> If they are compatible, then they are not part of one enum. They could
>> not be as this would easily fail in testing of your DTS.
>>
> 
> 
> The "loongson,ls2k0500-spi" wasn't a compatible in previous version and
> I will add "loongson,ls2k0500-spi" as a compatible in spi driver and
> added it as a part of the one enum in dt-binding.

No, because you claimed - if I understood correctly - that they are
compatible. Don't add fake entries to the driver.


Best regards,
Krzysztof